CN110707708A - A virtual synchronous machine control system and method based on power electronic transformer - Google Patents

Abstract

The invention discloses a virtual synchronous machine control system and method based on a power electronic transformer. A detection system is connected with an analysis system through wireless signals, the analysis system is electrically connected with a controller, the controller is electrically connected with a processing system, and the processing system is connected with The transformer is electrically connected, the controller is electrically connected with the information storage system, the transformer is electrically connected with the virtual synchronous machine, the receiving and transmitting module is electrically connected with the transformer and the modular processing module, and the fuzzy processing module is electrically connected with the computing module, The calculation module is electrically connected with the limiting regulator, and the limiting regulator is electrically connected with the transformer. The present invention can detect the working environment of the transformer and its own working state, find and deal with problems in time, and ensure the transformer's working state, avoid its damage, and control the stable power output of the transformer at the same time, with strong practicability.

Description

A virtual synchronous machine control system and method based on power electronic transformer

technical field

The invention relates to the field of technical virtual synchronous machines, in particular to a virtual synchronous machine control system and method based on a power electronic transformer.

Background technique

The transformer is a device that uses the principle of electromagnetic induction to change the AC voltage. The main components are the primary coil, the secondary coil and the iron core (magnetic core). The main functions are: voltage transformation, current transformation, impedance transformation, isolation, voltage regulation (magnetic core). saturating transformer) etc. According to the purpose, it can be divided into: power transformers and special transformers (electric furnace transformers, rectifier transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers , reactor, transformer, etc.), the circuit symbol is often used as the beginning of the number. For example: T01, T201, etc. When the existing transformer is working, it will affect the overall use due to the influence of the working environment or its own abnormal working state. It is not practical to detect and deal with it in time.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a virtual synchronous machine control system and method based on a power electronic transformer, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a virtual synchronous machine control system and method based on a power electronic transformer, including a work room, wherein the work room is equipped with a transformer, a controller and a detection system, and the detection system passes The wireless signal is connected with an analysis system, the analysis system is electrically connected with a controller, the controller is electrically connected with a processing system, the processing system is electrically connected with a transformer, and the controller is electrically connected with an information storage system , the detection system detects the working environment in the workshop and the working state of the transformer itself, and sends a signal to the analysis system, the analysis system analyzes and processes the received signal, and sends the signal to the controller, and the controller judges the signal And control the processing system to turn on, and the controller simultaneously transmits the signal to the information storage system, the information storage system stores and presents the information, the processing system processes the working environment of the transformer and its own state, and issues an alarm, the The transformer is electrically connected with a virtual synchronizing machine, and the virtual synchronizing machine includes a receiving and transmitting module, a fuzzification processing module, a computing module and an amplitude limiting regulator, and the receiving and transmitting modules are respectively electrically connected with the transformer and the modular processing module, so The fuzzification processing module is electrically connected to the computing module, the computing module is electrically connected to the limiter, the limiter is electrically connected to the transformer, and the transformer transmits the power value to the receiving and transmitting module during operation , the receiving and transmitting module arranges and transmits the signal to the fuzzification processing module and fuzzifies the power and transmits it to the calculation module, and the calculation module calculates the processed power and transmits the signal to the limiting regulator To adjust, the clipping adjuster delivers the final processed power to the transformer.

Preferably, the detection system is divided into an environmental detection system and a transformer state detection system, the environmental detection system includes a temperature detector and a humidity detector, the temperature detector is used to detect the temperature in the working room, and the humidity detector is used to detect Humidity in the working room, the transformer state detection system includes a vibration sensor, a noise sensor and a temperature sensor, the vibration sensor, noise sensor and temperature sensor are all electrically connected to the transformer, and the vibration sensor is used to detect whether the vibration of the transformer is abnormal and the noise The sensor is used to detect whether the output from the transformer conforms to the label, and the temperature sensor detects the temperature of the transformer itself.

Preferably, the analysis system includes a signal receiving module and a processor, the signal receiving module and the detection system are connected to the detection system through wireless signals, the signal receiving module is electrically connected to the processor, and the processor is connected to the controller Electrically connected, the signal receiving module is used to receive the wireless signal sent by the detection system and transmit it to the processor, and the processor transmits the signal analysis and processing to the controller.

Preferably, the processing system includes a temperature sensor, a dehumidifier and an alarm, and the temperature sensor, the dehumidifier and the alarm are all electrically connected to the transformer, and the temperature controller can control the heat of the transformer itself to remove moisture. The device is used to remove moisture in the work room, and the alarm device can automatically alarm when the transformer works abnormally or the working environment in the work room is abnormal.

Preferably, the information storage system includes an information storage module, a display and a printing device, the information storage module, the display and the printing device are all electrically connected to the controller, the information storage module is used for storing the received information, and the display is used for The information is displayed, and the printing device can print the information for storage.

A virtual synchronous machine control method based on a power electronic transformer, comprising the following steps:

Step 1: Detect the working environment in the studio and the working state of the transformer itself through the detection system, and send a signal to the analysis system;

Step 2: After analyzing and processing the received signal, the analysis system sends the signal to the controller;

Step 3: the controller judges the signal and controls the processing system to turn on, and the controller simultaneously transmits the signal to the information storage system;

Step 4: The information storage system stores and presents the information, and the processing system processes the working environment and its own state of the transformer, and issues an alarm.

Step 5: The power value is transmitted to the receiving and transmitting module when the transformer is working;

Step 6: The receiving and transmitting module arranges and transmits the signal to the fuzzification processing module and fuzzifies the power and transmits it to the calculation module;

Step 7: The calculation module calculates the processed power, and transmits the signal to the limiter for adjustment;

Step 8: The clipping regulator passes the final processed power to the transformer.

Compared with the prior art, the beneficial effects of the present invention are: a virtual synchronous machine control system and method based on a power electronic transformer, which can detect the working environment of the transformer and its own working state, find problems in time and solve them accordingly. It can be processed to ensure the working state of the transformer, avoid its damage, and control the stable power output of the transformer at the same time, which has strong practicability.

Description of drawings

Fig. 1 is a system block diagram one of the present invention;

Fig. 2 is system block diagram two of the present invention;

Figure 3 is a block diagram of the detection system.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-3, the present invention provides a technical solution: a virtual synchronous machine control system and method based on a power electronic transformer, including a work room, the work room is equipped with a transformer, a controller and a detection system, the The detection system is connected with an analysis system through a wireless signal, the analysis system is electrically connected with a controller, the controller is electrically connected with a processing system, the processing system is electrically connected with a transformer, and the controller is electrically connected with a Information storage system, the detection system detects the working environment in the workshop and the working state of the transformer itself, and sends a signal to the analysis system, the analysis system analyzes and processes the received signal, and sends the signal to the controller, the control The controller judges the signal and controls the processing system to turn on, and the controller simultaneously transmits the signal to the information storage system, the information storage system stores and presents the information, the processing system processes the working environment of the transformer and its own state, and issues an alarm , the transformer is electrically connected with a virtual synchronous machine, and the virtual synchronous machine includes a receiving and transferring module, a fuzzification processing module, a computing module and an amplitude limiting regulator, and the receiving and transferring module is electrically connected to the transformer and the modular processing module respectively. The fuzzification processing module is electrically connected to the computing module, the computing module is electrically connected to the limiting regulator, the limiting regulator is electrically connected to the transformer, and the transformer transmits the power value to the The receiving and transmitting module, the receiving and transmitting module arranges and transmits the signal to the fuzzification processing module and fuzzifies the power and then transmits it to the calculation module, and the calculation module calculates the processed power and transmits the signal to the limiter. The amplitude regulator is used for adjustment, and the limit regulator transmits the final processed power to the transformer. The present invention detects the working environment in the working room and the working state of the transformer itself through the detection system, and sends a signal to the analysis system. The analysis system will receive After the signal is analyzed and processed, the signal is sent to the controller, the controller judges the signal and controls the processing system to turn on, and the controller simultaneously transmits the signal to the information storage system, the information storage system stores and presents the information, and the processing system The working environment of the transformer and its own state are processed, and an alarm is issued. When the transformer is working, the power value is transmitted to the receiving and transmitting module. The receiving and transmitting module arranges and transmits the signal to the fuzzification processing module and fuzzifies the power and transmits it to the calculation. Module, the calculation module calculates the processed power, and transmits the signal to the limiting regulator for adjustment, and the limiting regulator transmits the final processed power to the transformer. The above work can detect the working environment of the transformer and its Its own working state, timely find problems and deal with them, ensure the working state of the transformer, avoid its damage, and control the stable power output of the transformer at the same time, which is highly practical.

Specifically, the detection system is divided into an environmental detection system and a transformer state detection system. The environmental detection system includes a temperature detector and a humidity detector. The temperature detector is used to detect the temperature in the working room, and the humidity detector is used to To detect the humidity in the working room, the transformer state detection system includes a vibration sensor, a noise sensor and a temperature sensor, and the vibration sensor, noise sensor and temperature sensor are all electrically connected to the transformer, and the vibration sensor is used to detect whether the vibration of the transformer is abnormal, The noise sensor is used to detect whether the output from the transformer conforms to the label, and the temperature sensor detects the temperature of the transformer itself.

Specifically, the analysis system includes a signal receiving module and a processor, the signal receiving module and the detection system are connected to the detection system through wireless signals, the signal receiving module is electrically connected to the processor, and the processor is connected to the control The devices are electrically connected, and the signal receiving module is used to receive the wireless signal sent by the detection system and transmit it to the processor, and the processor transmits the signal analysis and processing to the controller.

Specifically, the processing system includes a temperature sensor, a dehumidifier and an alarm, and the temperature sensor, dehumidifier and alarm are all electrically connected to the transformer, and the temperature controller can control the heat of the transformer itself, in addition to The moisture detector is used to remove the moisture in the work room, and the alarm can automatically alarm when the transformer works abnormally or the working environment in the work room is abnormal.

Specifically, the information storage system includes an information storage module, a display, and a printing device. The information storage module, the display, and the printing device are all electrically connected to the controller. The information storage module is used to store the received information, and the display uses In order to display the information, the printing device can print the information for storage.

A virtual synchronous machine control method based on a power electronic transformer, comprising the following steps:

Step 1: Detect the working environment in the studio and the working state of the transformer itself through the detection system, and send a signal to the analysis system;

Step 2: After analyzing and processing the received signal, the analysis system sends the signal to the controller;

Step 3: the controller judges the signal and controls the processing system to turn on, and the controller simultaneously transmits the signal to the information storage system;

Step 4: The information storage system stores and presents the information, and the processing system processes the working environment and its own state of the transformer, and issues an alarm.

Step 5: The power value is transmitted to the receiving and transmitting module when the transformer is working;

Step 6: The receiving and transmitting module arranges and transmits the signal to the fuzzification processing module and fuzzifies the power and transmits it to the calculation module;

Step 7: The calculation module calculates the processed power, and transmits the signal to the limiter for adjustment;

Step 8: The clipping regulator passes the final processed power to the transformer.

Working principle: The invention detects the working environment in the working room and the working state of the transformer itself through the detection system, and sends a signal to the analysis system. After the analysis system analyzes and processes the received signal, the signal is sent to the controller. The controller judges the signal and The control processing system is turned on, and the controller simultaneously transmits the signal to the information storage system, and the information storage system stores and presents the information. The processing system processes the working environment of the transformer and its own state, and issues an alarm. When the transformer is working, the power The value is passed to the receiving and transmitting module, and the receiving and transmitting module arranges and transmits the signal to the fuzzification processing module and fuzzifies the power and then transmits it to the calculation module. The calculation module calculates the processed power and transmits the signal to the limiter The regulator makes the regulation, and the limiting regulator passes the final processed power to the transformer.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. a virtual synchronous machine control system based on a power electronic transformer, comprising a studio, characterized in that: the studio is equipped with a transformer, a controller and a detection system, and the detection system is connected with an analysis system by a wireless signal, so the The analysis system is electrically connected with the controller, the controller is electrically connected with the processing system, the processing system is electrically connected with the transformer, the controller is electrically connected with the information storage system, and the detection system detects the interior of the working chamber. The working environment and the working state of the transformer itself, and send a signal to the analysis system. After the analysis system analyzes and processes the received signal, it sends the signal to the controller. The controller judges the signal and controls the processing system to turn on and control the At the same time, the transformer transmits the signal to the information storage system, the information storage system stores and presents the information, the processing system processes the working environment of the transformer and its own state, and issues an alarm, and the transformer is electrically connected with a virtual synchronous machine , the virtual synchronous machine includes a receiving and transferring module, a fuzzification processing module, a computing module and an amplitude limiting regulator, the receiving and transferring modules are respectively electrically connected with the transformer and the modular processing module, and the fuzzification processing module is connected with the computing module Electrically connected, the calculation module is electrically connected to the amplitude limiting regulator, the amplitude limiting regulator is electrically connected to the transformer, the transformer transmits the power value to the receiving and transmitting module when working, and the receiving and transmitting module transmits the signal After sorting and transmission to the fuzzification processing module and fuzzing the power, it is transmitted to the calculation module, the calculation module calculates the processed power, and transmits the signal to the limiter for adjustment, and the limiter adjusts The controller passes the final processed power to the transformer. 2. A virtual synchronous machine control system based on a power electronic transformer according to claim 1, wherein the detection system is divided into an environmental detection system and a transformer state detection system, and the environmental detection system includes a temperature detection system. The temperature detector is used to detect the temperature in the work room, and the humidity detector is used to detect the humidity in the work room. The transformer state detection system includes a vibration sensor, a noise sensor and a temperature sensor. The vibration sensor, Both the noise sensor and the temperature sensor are electrically connected to the transformer. The vibration sensor is used to detect whether the vibration of the transformer is abnormal, the noise sensor is used to detect whether the output from the transformer conforms to the label, and the temperature sensor detects the temperature of the transformer itself. 3. A power electronic transformer-based virtual synchronous machine control system according to claim 1, wherein the analysis system comprises a signal receiving module and a processor, and the signal receiving module and the detection system communicate with each other through wireless signals. The detection system is connected, the signal receiving module is electrically connected to the processor, the processor is electrically connected to the controller, the signal receiving module is used to receive the wireless signal sent by the detection system and transmit it to the processor, and the processor analyzes the signal Handling is passed to the controller. 4. A virtual synchronous machine control system based on a power electronic transformer according to claim 1, wherein the processing system comprises a temperature sensor, a dehumidifier and an alarm, and the temperature sensor, the dehumidifier and the The alarms are all electrically connected to the transformer, the temperature controller can control the heat of the transformer itself, the dehumidifier is used to remove the moisture in the working room, and the alarm can automatically alarm when the transformer works abnormally or the working environment in the working room is abnormal. 5. A power electronic transformer-based virtual synchronous machine control system according to claim 1, wherein the information storage system comprises an information storage module, a display and a printing device, the information storage module, the display and the printing device The devices are all electrically connected to the controller, the information storage module is used to store the received information, the display is used to display the information, and the printing device can print the information for storage. 6. a virtual synchronous machine control method based on power electronic transformer, is characterized in that: comprise the following steps: Step 1: Detect the working environment in the studio and the working state of the transformer itself through the detection system, and send a signal to the analysis system; Step 2: After analyzing and processing the received signal, the analysis system sends the signal to the controller; Step 3: the controller judges the signal and controls the processing system to turn on, and the controller simultaneously transmits the signal to the information storage system; Step 4: The information storage system stores and presents the information, and the processing system processes the working environment and its own state of the transformer, and issues an alarm. Step 5: The power value is transmitted to the receiving and transmitting module when the transformer is working; Step 6: The receiving and transmitting module arranges and transmits the signal to the fuzzification processing module and fuzzifies the power and transmits it to the calculation module; Step 7: The calculation module calculates the processed power, and transmits the signal to the limiter for adjustment; Step 8: The clipping regulator passes the final processed power to the transformer.

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